* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        .info-container {
            max-width: 1700px;
            margin: 40px auto;
            background: white;
            border: 1px solid #e0e0e0;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            overflow: hidden;
            padding: 40px;
            position: absolute;
            justify-content: center;
            z-index: 99;
            width: 100%;
        }

        .back-button:link {
            background-color: black;
            color: red;
            border: none;
            padding: 10px 20px;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            margin-bottom: 30px;
        }

        .back-button:hover {
            background: black;
            transform: translateY(-1px);
        }

        .book-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: #2c3e50;
            margin-bottom: 30px;
            text-align: center;
            line-height: 1.3;
        }

        .book-main-content {
            display: flex;
            gap: 40px;
            margin-bottom: 40px;
        }

        .book-image-section {
            flex-shrink: 0;
            width: 300px;
        }

        .book-image {
            width: 100%;
            height: 400px;
            border-radius: 8px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
            object-fit: cover;
        }

        .book-placeholder {
            width: 100%;
            height: 400px;
            background: #f8f9fa;
            border: 2px dashed #dee2e6;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #6c757d;
            font-size: 1rem;
            text-align: center;
        }

        .book-info-section {
            flex: 1;
        }

        .info-item {
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid #f0f0f0;
        }

        .info-item:last-child {
            border-bottom: none;
            margin-bottom: 0;
        }

        .info-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: #7f8c8d;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 5px;
        }

        .info-value {
            font-size: 1.1rem;
            color: #2c3e50;
            line-height: 1.4;
        }

        .genre-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .genre-tag {
            background: linear-gradient(45deg, #3498db, #2980b9);
            color: white;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .description-section {
            background: #fafbfc;
            padding: 30px;
            border-radius: 8px;
            border: 1px solid #e9ecef;
        }

        .description-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: #2c3e50;
            margin-bottom: 15px;
        }

        .book-description {
            font-size: 1rem;
            line-height: 1.7;
            color: #495057;
            text-align: justify;
        }

        @media (max-width: 768px) {
            .info-container {
                margin: 20px;
                padding: 25px;
            }

            .book-title {
                font-size: 1.8rem;
                margin-bottom: 25px;
            }

            .book-main-content {
                flex-direction: column;
                gap: 30px;
                align-items: center;
            }

            .book-image-section {
                width: 250px;
            }

            .book-image,
            .book-placeholder {
                height: 330px;
            }

            .description-section {
                padding: 20px;
            }

            .book-description {
                font-size: 0.95rem;
                text-align: left;
            }
        }

        @media (max-width: 480px) {
            .info-container {
                margin: 15px;
                padding: 20px;
            }

            .book-title {
                font-size: 1.5rem;
            }

            .book-image-section {
                width: 200px;
            }

            .book-image,
            .book-placeholder {
                height: 280px;
            }
        }

/* Discussion Header */
.discussion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.discussion-title {
    font-family: 'Space Mono', monospace;
    font-size: 2rem;
    color: white;
    margin: 0;
}

/* Average Rating Display */
.average-rating-display {
    display: flex;
    align-items: center;
    gap: 12px;
}

.average-stars {
    color: #ffd700;
    font-size: 1.2rem;
}

.average-stars i {
    margin-right: 2px;
}

.average-rating-text {
    font-family: 'Space Mono', monospace;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
}

.total-ratings-text {
    font-family: 'Space Mono', monospace;
    color: #888;
    font-size: 0.9rem;
}

/* Star Rating Input */
.star-rating-input {
    margin-bottom: 16px;
}

.star-rating-input label:first-child {
    font-family: 'Space Mono', monospace;
    color: #aaa;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 8px;
}

.stars-input {
    display: flex;
    flex-direction: row-reverse;
    justify-content: flex-end;
    gap: 4px;
}

.stars-input input[type="radio"] {
    display: none;
}

.stars-input label {
    cursor: pointer;
    font-size: 2rem;
    color: #444;
    transition: color 0.2s ease;
}

.stars-input label i {
    margin: 0;
}

.stars-input input[type="radio"]:checked ~ label,
.stars-input label:hover,
.stars-input label:hover ~ label {
    color: #ffd700;
}

/* Reply Stars (in comments) */
.reply-stars {
    color: #ffd700;
    font-size: 0.85rem;
    display: flex;
    gap: 2px;
}

.reply-stars i {
    margin: 0;
}

/* Update main comment header */
.main-comment-header span {
    font-weight: 600;
}